Answer:
h= 24
Step-by-step explanation:



r= 7
1230.88=3.14×7^2×h/3
1230.88= 153.86h/3
h=1230.88/153.86
h= 24
No Maria is wrong because if you look at placement value you would see 4 is in the one hundred thousands place.
Answer:
11 33/35
Step-by-step explanation:
5 3/7 = 5 × 7/7 + 3/7 = 35 + 37 = 38/7
38/7 ÷ 5/11 = 38/7 × 11/5 = 38 × 11/7 × 5 = 418/35
418/35 = 11 33/35
Hope this helps!
A)4*16
because 4*3•4*4•4*9
you have to add the exponents
3+4+9=16
keep the number
so 4*16 is the answer
It would b 9 x (-3^(x-1))